Home / 3,123.14-4,688.83-2,865.26

Finding the Fourth Proportional to 3,123.14, 4,688.83 and 2,865.26

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Solution

The fourth proportional to 3,123.14, 4,688.83 and 2,865.26 is: 4,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.14 : 4,688.83 = 2,865.26 : x
  2. Step 2: Convert to fraction form
    3,123.14/4,688.83 = 2,865.26/x
  3. Step 3: Cross multiply
    3,123.14x = 4,688.83 × 2,865.26
  4. Step 4: Simplify right side
    3,123.14x = 13,434,693.60
  5. Step 5: Solve for x
    x = 13,434,693.60/3,123.14
  6. Step 6: Final answer
    x = 4,301.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.